534640155 has 32 divisors (see below), whose sum is σ = 985350144. Its totient is φ = 242476416.

The previous prime is 534640147. The next prime is 534640189. The reversal of 534640155 is 551046435.

It is not a de Polignac number, because 534640155 - 2³ = 534640147 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6712 + ... + 33381.

It is an arithmetic number, because the mean of its divisors is an integer number (30792192).

Almost surely, 2^534640155 is an apocalyptic number.

534640155 is a deficient number, since it is larger than the sum of its proper divisors (450709989).

534640155 is a wasteful number, since it uses less digits than its factorization.

534640155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40235.

The product of its (nonzero) digits is 36000, while the sum is 33.

The square root of 534640155 is about 23122.2869759892. The cubic root of 534640155 is about 811.6220885970.

The spelling of 534640155 in words is "five hundred thirty-four million, six hundred forty thousand, one hundred fifty-five".